The Cover,check Valve,a, cataloged under National Stock Number 1680-01-545-1245, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Parker Hannifin Corp Dba Pneutronics. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Cover,check Valve,a |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Parker Hannifin Corp Dba Pneutronics (CAGE 26433) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-545-1245 |
| Primary Part Number | A3-475-1 |
| Item Name | Cover,check Valve,a |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Parker Hannifin Corp Dba Pneutronics |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A3-475-1 PRIMARY | Parker Hannifin Corp Dba Pneutronics (USA) |
NSN 1680-01-545-1245 is a Cover,check Valve,a, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-545-1245 has 1 manufacturer part number on file: A3-475-1 (Parker Hannifin Corp Dba Pneutronics).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.